Method of and means for interlocking and securing roofing sheets



w. KROIER 2,360,879

KING AND SECURING ROOFING SHEETS Oct. 24, 1 944.

METHOD OF AND MEANS FOR INTERLOG 4 Sheets-Sheet 1 Filed Feb. 15, 1945 3.5 34 W aZdemar Jfz'oter,

Oct. 24, 1944. w. KROIER 2,360,879

METHOD OF AND MEANS FOR INTERLOCKING AND SECURING ROOFING SHEETS Filed Feb. 13, 1943 4 Sheets-Sheet 2 Waldemar Jfno ier,

METHOD OF AND MEANS FOR INTERLOCKING AND SECURING ROOFING SHEETS b 24, 1944. w. KRQIER 2,360,87 l I r Filed Feb. 13, 1943 4 Sheets-Sheet 3 Z W ,aldemar Jfgo "c'er,

w. KROIER 2,360,879

KING AND SECURING ROOFING srirzm's METHOD OF'AND MEANS FOR INTERLO Filed Feb, 13, 11943 4' 'sh-i s-shet 4 Waldemar Jfr o t'er,

Paiented Get. 24, 1944 Fence 6 1 .METIIOD OF AND MEANS FOR INTERLOCK- ING AND SECURING ROOFING SHEETS Waldemar Kroiei', Jacksonville, Fla. Application February 13, 1943, Serial No. 475,824

18 Claims.

This invention relates to a method and means for interlocking and securing roofing sheets. It is an improvement on my Patent No.

2,166,064, granted July 11, 1939, which, While efficient and satisfactory, has been improved upon by the addition of the novel steps and means for effecting those steps hereinafter set forth.

In the present invention the method and means for assembling the seam or rib of the overlapped sheets are such that in the operation of interlocking the sheets byside indentations or crimps,

danger of bulging or distorting the seam is prevented, and novel means are provided, both for efiecting this side indenting operation and preventing seam bulging, and also very effective means for securing the indented and interlocked sheets in place on the purlins or beams are provided.

In order that the invention may be clearly understood, I show in the accompanying drawings and describe in. the following specification one form of my invention, and that the best now known to me, but it will be understood that this disclosure is illustrative only of the invention, and is not limited to the specific form shown, except insofar as it is limited by the appended claims. In the drawings herewith:

Figure 1 is a plan view of a roofing rib or seam showing one adaptation of my invention.

Figure 2 is a cross sectional view on line 2-2 of Figure 1.

Figure 3 is a cross sectional view similar to ticing the method, in the starting position of the indenting jaws. I l 1 Figure 13is a view of the tool in the finishing position of the indenting jaws.

Figure 14 is a view in plan showing a portion of a ridge roll and roofing sheets and means for securing them together.

Figure 15 is a longitudinal section on line l5l5 of Figure 14 showing a clip fastening for securing the roofing to a beam.

Figure 16 is a cross section on line Iii-l6 of Figure 15.

Figure 1'7 is a longitudinal section showing a different fastening means.

Figure l8'is a cross section on line l8--l8 of Referring to the drawings by numbers, like numbers indicating like parts in the several views, I0 (Figs. 1, 2 and 3) indicates roofing sheets having nesting ribs H formed therein, these ribs having inclined side walls and a crown or upper wall, as is usual in this type of ribbed roofing v Sheet.

When assembled in overlapped position the ribs il'will be nested together, asshown. In order to fasten and interlock the roofing sheets together, I indent the side walls at l2, so as to Figure 2, showing one means for attaching the sheets to a purlin or beaml Figure 4 is a plan view showing sheets overlapped both laterally and longitudinally with the several overlapping sheets secured together and showing seepage or drainage ribs.

Figure 5 is a cross sectional view on line 5-! of Figure 4, showing interlocked and drainage ribs. v

Figure 6 is a cross sectional view on line 6-8 0! Figure 4.

Figure 7 is a view showing one form of clip for holding the sheets to a purlin or beam.

Figure 8 is a view showing another form of clip.

Figure 9 is a cross sectional view on line 99 of Figure 8.

Figure 10 is a view of the form of clip particularly adapted for securing the roofing to the fiange of a metal beam.

Figure 11 is a cross sectional view on line Ii-il of Figure 10. 4

Figure 12 shows an indentingtool for pracprovide interlocking indentations which may extend the entire length of the ribs, or may be disposed at intervals along the rib, whichever may be thought desirable. The-spaced interlocking indentations have been found to be satisfactory, and are preferable.

It has been found in practice that when the side walls of the ribs are indented, as-shown. there is a tendency for the crown of the rib to bulge upwardly because of the upward pressure exerted by the indenting tool at the indenting points l2 on the side walls of the rib. In my present method and using the tool herein shown and described, .this tendency to bulge or distort is overcome.-

Using the tool shownin Figs. 12 and 13, which tool is made up'of two pivoted members having operating handles, th Jaws I3 of that tool are positioned on the rib so as to engage the side walls and indent and interlock them. When this side wall indenting operation is effiected, there is, of course, an upward thrust exerted which tends to bulge the crown l4, and unless there is resistance to this, a distorted rib results. To guard against this, I provide the roofing tool with a member having end pieces IS 'with elongated pivot slots it which engage the pivot pin which connects the Jaws of the tool. This resisting member has the central bar I 1, preferably ribbed, as shown. The laws of the roofing tool have the cam portions l8, which. when the tool is brought to the position shown in Fig. 13, en-

gage the upper side of the bar ll so as to hold itsnugly against the central portion of the crown of the rib and prevent any upward buldging or distortion. Additionally, the rib on the bar l1 will indent the crown of the rib, serving further to interlock and also to stiffen the rib, so that a strongly interlocked and rigid rib results. This indenting of the ribs is accomplished without any breaking up of the metal or galvanized coating. The resistance imposed on the crown of the nested ribs by the central bar I], and particularly where such bar is provided with an indenting rib, has the effect, as shown in the several views. of expanding the corners of the nested ribs into an interlocked relation so as to very effectively lock the nested ribs together. It

will be observedthat the indentations are preferably spaced one from the other along the nested ribs, so that the necessityof indenting the entire length of the rib is done away with.

Inorder to secure the interlocked sheets to the supporting purlin or beam, different means may be adopted, one of the, simplest forms being shown in Fig. 3; where'the rib of the lower sheet is fastened to the purlin or beam, in this case of wood, by means of a nail l9 which may be driven through the rib and into the beam. when the upper overlapped ribbed sheet of roofing is secured by the interlocking indentations described, to the ribbed lower sheet, the entire roofing assembly will be fastened to the beam.

In Figs. '4 and 6 I have shown another means for securing the sheets together where the construction is such that it desirable to fasten the sheets independently of the means for fastening the assembled sheets to the purlins or beams, as, for example, where the side and end l ppings of the sheets occur, as shown in Fig. 4. In this adaptation the headed bolt will be engaged through the lower sheet, its lower end passing through a tie plate 2| spanning the rib and resting against the lower sheet. A nut 22 or equivalent fastening means will be secured to the lower end of. the'bolt 20 and set up to tie the sheets and ribs together.

In Fig. 7, I have shown other means for securing the roofing in place, and this consists of a substantially U-shaped clip 23, one limb of which is provided with laterally extended flanges 24 adapted to engage the indentations on the roofing sheet, the other limb 25 of the clip engaging over the beam or purlin, to which it may be secured by nails driven through either the nail opening 26 in the bottom of the U or the nail opening 21 in the limb 25, whichever is most convenient. This clip may be conveniently formed, as shown by bending a strip of metal so as to provide the outstanding flanges 24 to engage the interlocking indentations of the rib, thefolded ends of this strip forming the other limb 25 01' the U-shaped clip, and preferably the folded ends of the clip may be fastened in any suitable manner, as by a rivet, as clearly shown in Fig. '7. This provides a simply and cheaply constructed clip, which, when folded and riveted together, as shown, forms a stable and efficient type of clip.

In Figs. 8 and 9, I have; shown another form of clip of the same substantially U-shape formation, one limb of which is provided with the flanges 28 on opposite sides to engage indentations in the interlocked ribs, and has the pro- Jections 28 extending laterally from the limb to seat firmly on the beam. The other limb 28 of this clip is provided with inwardly projecting tooth-like projections 30 preferably spaced laterally, as shown in Figure 9, which, when the clip is forced into place over a wooden beam, will penetrate the wood and lock the clip and its attached roofing in place.

In the form of the clip shown in Figs. 10 and 11, which is adapted particularly for metal purlins or beams, the inner edge 3| of the upper limb is bulged slightly to give a contact point. The limbs are provided with'laterally extending projections 32 which seat on the upper and lower faces of the flange of the beam so as to give a stable bearing and prevent rocking or tilting of the clip. When, as shown in Figure 10, the clip is forced over the flange of the beam, there will be a tight binding between the clip and the flange suflicient to hold the clip and the roofing to which it is secured firmly in place.

The clips here shown may be formed in any suitable manner, but a convenient method of forming them is to make them in two parts, as shown, as these parts may be readily stamped out. and thereafter the two clip parts may be secured together in any suitable manner, as by rivets 33, so as to provide a complete flanged clip, as described.

In order to prevent moisture from creeping by capillary attraction between the sheets to the interlocked ribs, with possible corrosion of the ribs and the interlocking indentations, and, further, to prevent the possibility of drip which might result if moisture is permitted to creep into the rib formation, I have shown in Figs. 4, 5 and 6, a form of roofing in which any seepage may be effectively drained away. In these views the nested interlocked ribs will be secured together in the manner hereinbefore described and shown in the drawings. Beyond the nested and interlocked ribs the edge 34 of the lower roofing sheet will be extended, and spaced or loosely nested ribs 35 will be provided in the extended upper and lower sheets. These ribs may be of any formation, such as the V-shape formation here shown, and they will not be interlocked, but left in loosely nested position, with an interspace, so that any moisture creeping under the lapped sheets will be caught in the loosely nested drainage ribs, and will be diverted and drained off.

In Figures le, 15, 16, 17 and 18, I have shown means for securing the ridge roll to the roofing so as to efiectively interlock and hold them together.

The roofing sheets 38 extend upwardly over the beam or purlin 31 and are housed by the ridge roll 38 which extends down over'the roofing sheets 36 as shown. The roofing sheets are ribbed and indented as heretofore described, and the ridge roll 38 will be tied to the roofing sheets by means of a tongue 39 cut from the section 40 of the ridg rol1 which extends downwardly flush with the roofing sheets 36. The tongue 39 engages a clip M and has its end 42 bent over so as to engage and lock with the edge of the clip 4|. The sides 43 of the clip 4| are bent inwardly as shown in Figures 16 and 18 so as to engage the indentations in the indented and interlocked rib. This securely locks the ridge roll and the roofing sheets together so as to prevent any relative displacement of them and secure them firmly together.

The ridge roll and roofing sheets thus assembled can be secured to the beam or purlin by any of the means shown. in the earlier constructions, and I have here shown in Figure the clip 44 similar to the clip shown'in Figure 8, which clip is providedwith flanges 45 which engage interiorlythe indentations in the rib, the lower limb of the clip having the prongs or points 46 to engage the purlin or beam.

In Figures 17 and 18 I have shown the simple form of fastening means heretofore illustrated in Figure 3 of the drawings, and which comprises a nail 41 driven through the lower .sheet of the roofing and covered and concealed by the upper sheet.

By this arrangement a simple and secure interlocking of the roofing sheets and ridge roll is provided.

Following this method and utilizing the means for carryingout that method herein disclosed, roofin sheets may be rapidly and efiectively assembled and firmly secured to the supporting structure, and a smooth, undistorted, interlocked and moisture-proof rib surface presented.

I claim:

1. The new and improved method of joining roofing sheets which consists in forming ribs in the sheets, overlapping the sheets with the ribs.

in nested position, indenting the side walls of the nested ribs to form an interlock, and imposing resistance centrally of the crown of the nested ribs while the side walls are being indented to prevent outward buckling of the crown and also efiect an interlocking of the vested ribs at their corners.

2. The new and improved method of joining roofing sheets which consists in forming ribs in the sheets, overlapping the sheets with the ribs in nested position, indenting the side walls of the nested ribs to form spaced interlocks, imposing resistance centrally of the crown of the nested rib while the side walls are being indented to prevent outward buckling of the crown, and simultaneously indenting the crown and also efiect an interlocking of the. nested ribs at their corners.-

3. A roofing structure comprising overlapped sheets having ribs nested together, spaced interlocking indentations in the side walls of said ribs, and a spaced stifiem'ng and interlocking indentations centrally of the crown of said ribs to form with the side indentations interlocking rib corners.

4. A roofing structure comprising overlapped sheets having ribs nested together, spaced interlocking indentations in the side walls of said ribs, a stifiening and interlocking indentation in the crown of said ribs to form with the side indentations interlocking rib corners, and means disposed centrally of and within the ribs for securing the overlapped sheets to a purlin or beam.

5. A roofing structure comprising overlapped sheets having ribs nested together, spaced interlocking indentations in the side walls of said ribs, spaced stiffening and interlocking indentations disposed centrally of the crown of said ribs to form with the side indentations interlocking rib corners, and means engaging the indentations in the side walls for securing the overlapped sheets to a purlin or beam. I k

6. A roofing structure comprising overlapped sheets having ribs nested together, interlocking indentations in the side walls or said ribs, a stiffening and interlocking indentation in the crown of said ribs to form with the side indentations interlocking rib corners, a clip having a limb enaging the indentations in the side walls, and a second limb engaging a purlin or beam to secure the overlapped sheets in position.

7. A roofing structure comprising overlapped sheets having ribs nested together, interlocking indentations in the side walls of said ribs, a stiffening and interlocking indentation in the crown of said ribs, and a substantially U-shaped clip, one limb of which engages the indentations in the side Walls and the other limb of which engages a purlin or base, the inner edges of said limbs being bulged or distorted to give a frictional gripping action on the purlin or beam.

8. A roofing structure having overlapped sheets having ribs nested together, interlocking indentations in the side walls of said ribs, a. stiffening and interlocking indentation in the crown of said ribs, and a substantially U-shaped clip having oppositely disposed flanges, one of which engages the indentations in the side walls and the other of which engages a purlin or base, the inner edges of said flanges being bulged or distorted-to give a frictional gripping action on the purlin or beam.

9. A roofing structure having overlapped sheets having ribs nested together, interlocking indentations in the side walls of said ribs, a stiffening and interlocking indentation in the crown of said ribs, and a substantially U-shaped clip having oppositely disposed flanges, one of which engages the indentations in the side walls, the other limb of the clip having projecting teeth to engage a purlin or beam.

10. A clip'for securing roofing sheets to a purlin or beam of substantially U-shape and having one limb to engage a roofing sheet and a second limb provided with stabilizing lateral projections to engage a purlin or beam.

11. A clip for securing roofing sheets to a purlin or beam of substantially U-shape, one limb of said clip having laterally extending flanges to engage indentations on the roofing sheet; and a second limb to engage a purlin or beam, the limbs of said clip having bulged or distorted inner edges to bind the clip frictionally to a purlin or beam.

12. A clip for securing roofing sheets to a purlin or beam of substantially U-shape and having laterally extending flanges to engage indentations on a roofing sheet, and a second limb having inwardly projecting laterally spaced teeth to engage a purlin or beam.

13. A clip for securing roofing sheets to a pun lin or beam formed of two substantially u-shaped members secured together and having one limb provided with laterally extending flanges to engage a roofing sheet and a second limb having laterally spaced teeth to engage a purlin or beam,

14. A roofing structure comprising overlapped sheets having nested and interlocked ribs to secure the sheets together, and a second set of nested ribs adjacent said first named set of ribs, said second set of ribs being spaced sumciently to catch and divert seepage away from said nested and interlocked setof ribs.

15. A roofing structure comprising overlapped sheets having nested andinterlocked ribs to secure the sheets together, and a second set of nested U-shaped ribs adjacent said first named set of ribs, said second set of ribs being spaced sufiiciently tocatch and divert seepage away from said nested and interlocked set of ribs,

16. A roofin structure comprising overlapped roofing sheets having ribs nested together, interlocking indentations in the side walls of said ribs, a ridge roll, a tongue struck from the ridge roll extending downwardly over said ribs, and means for locking said tongue to said indented ribs.

17. A roofing structure comprising overlapped roofing sheets having ribs nested together, interlocking indentations in the side walls of said ribs, a ridge roii covering the upper ends of said roofing sheets, a tongue struck from the said ridge roll and extending downwardly over said indented ribs, a clip secured to said tongue and 10 end overturned to interlock it with said clip. 

